Nut-lock.



'No.848,523=- '7 PATENTED MAR. 26, 1907.

U. S. WILSON.

, NUT LUCK. APPLICATION. FILED APR. 24, 1.908.

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CURTIS S. WILSON, OF FOREST, OHIO, ASSIGNOR OF ONE-HALF TO L. A.

CONKLIN, OF FOREST, OHIO.

NUT-LOCK- Specification of Letters Patent.

Patented March 26, 1907.

Application filed April 24, 1906. Serial No. 313,499.

To all whom, it may concern.-

Be it known that I, Cun'rrs S. WILSON, of Forest, in the county ofHardin, State of Ohio, have invented certain new and useful Improvementsin Nut-Locks, of which the following is a specification.

The object of my invention is to produce a nicely-adjustable nut-lockaffording sufficient security against any ordinary tendency which mightdevelop in service or use to dislodge it, but which may be convenientlyat the will of an operator released from the means employed to confineit in fixed adjustment.

In the accompanying drawings, which form a part of this specification,Figure I is a central vertical section of a pair of bolts, nuts, andmembers penetrated by the bolts to which the nuts secure them, some ofthe members being shown in elevation, and illustrating my nut-lock inplace upon the nuts, respectively. Fig. II is an end elevation of thesubject-matter of Fig. I looking toward the nut end of the bolt. Fig.III is a perspective view of the lock detached. Fig. IV is a reverseview of the nut detached. Fig. V is a view corresponding to Fig. III,showing a modified form of my lock.

Referring to the numerals on the drawings, 1 indicates any memberas, forexample, a wooden uprightto which may be secured a plate 2. The plate 2may span a plurality of bolts 3, as shown in Fig. I, or any meanssuitable for holding the plate 2 f'nred may be used. The plate 2constitutes a base with which my lock cooperates. The bolts 3 are shownin the drawings as passing through the member 1 and plate 2, and each isprovided at opposite ends with a head 41 and a nut 5, threaded tocorrespond with the bolt.

Upon each nut 5 I provide a lock, preferably made of spring-wire in twostrands. They are intertwisted with each other, as shown at 6 and 7, tofirmly unite them and also to form a loop 8, which surrounds thethreaded end9 of the bolt 3. The intertwined ends 6 and 7 terminate,respectively, in a detent 10 and a projection 11, projecting from theend 7 toward the end 6 of the nut-lock. The projection 11 is adapted toenter any one of a series of recesses 14 provided for it in I the bottomof the base of the nut 5. The detent 10 projects in the path of a seriesof ap ertures 15, provided for its accommodation in the plate 2 or otherfixed, member, to or from which the nut 5 works in its travel 'upon thethreaded end 9 of the bolt 3.

Aprojection 16, carried by the end 6 of the lock and extending towardthe projection 11, is adapted to engage a recess 14 opposite to thatengaged by the projection 11. The function of the detent 10 is to engageone of the series of apertures 15, and so hold the nut stationary, theprojections 11 and 16 serving, through the resiliency of the lock, tohold the look like a clip upon the nut and bolt to the performance ofthat function.

To disengage the detent 10 from the one of the series of apertures withwhich it may at any time be engaged may be accomplished by the operator,using for the purpose a pointed instrument, prying between the end 7 ofthe lock and the nut 5.

The nutlock, as shown, is made of two pieces of intertwisted steel wire;but it may, if preferred, be made of a single piece of sheetspring-steel struck out and bent up to form the loop 8, projections 11and 16,

and the detent 10, as shown in Fig. V. Theapertures 15 are preferablyelongated .as shown, to permit the detent 10 to enter one of them beforethe projections 11 and 16 are seated home in the recesses 14, providedfor them in the nut.

What I claim is 1. The combination with a base, of a threaded bolt andnut, a lock secured to the nut and surrounding the bolt above the nut,and means carried by the lock for engaging said base, thereby preventingrotation of said lock and nut.

2. The combination with a base, of a threaded bolt and nut, a look uponthe nut provided with means for surrounding the bolt above the nut,means carried by the lock for positively engaging said base, and meansfor securing the lock to the nut.

3. The combination with a base, of a threaded bolt and nut, a lockprovided with ends upon opposite sides of the nut and with a loopadapted to surround the bolt above the nut, means carried by the lockfor engaging said base, and means for securing the lock to the nut.

4. The combination with a base provided with apertures, of a threadedbolt and nut, a lock provided with ends upon opposite sides of the nutand with a loop adapted to surround the bolt above the nut, a detentuponone of said ends adapted to enter said apertures one at a time, andmeans for securing the lock to the nut.

5. The combination with a base provided with apertures, of a threadedbolt, a nut pro vided with recesses, a lock provided with ends uponopposite sides of the nut and with a loop adapted to surround the boltabove the nut, a detent upon one of said ends adapted to enter saidapertures one at a time, and projections upon the ends fitting saidrecesses.

6. The combination with a base provided with apertures, of a threadedbolt, a nut provided upon its under surface with recesses, a lock uponthe nut provided with a loop adapted to surround the bolt, a detentcarried by the lock adapted to enter said apertures one at a time, andprojections upon the lock fitting said recesses.

7. As an article of manufacture, a nut-lock composed of a plurality ofwires intertwisted to form a loop and provided one With a detent andboth with projections, extending from the extremities of said wires.

8. As an article of manufacture, a nut-lock composed of a plurality ofspring-wires intertwisted to form a loop and provided one with a detentand both with projections, extending from the extremities of said Wires.

In testimony whereof I have hereunto slgned my name in the presence oftwo subscrlbmg witnesses.

CURTIS S. VILSON. Witnesses C. C. METZ, ALFRED G. CONKLIN.

